Telephone attachment.



H. V. JOBE.

TELEPHONE ATTACHMENT.

mwucmmw FILED MAY3i. ms.

' Patented Aug. 14,1917

men.

HUGH v. m or :eoLL, OKLAHOMA.

TELEPHONE ATTACHMENT.

Specification of Letters Patent. Patented Aug. 14:, 1917.

I Application filed May 31, 1916. Serial N0.'1Q0,931.

prolonging the life of the batteries, which while disconnected, will allow the bell to ring and which will not in the least impair the service on the line.

A further object of my invention is the provision of a telephone attachment for prolonging the life of the batteries, which will be simple, durable and practical and one which will be inexpensive of production.

With the above and other objects in view which will appear as the description proceeds, the invention consists in the novel construction, combination and arrangement of parts, hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention, herein disclosed can be made without departing from the spirit of the invention.

In the accompanying drawings I have illustrated one complete example of the physical embodiment of my invention constructed according to the best mode I have so fardevised for the practical application of the principles of my invention.

'Figure 1 is a side elevation of a portion of a telephone box with my device attached thereto and shown in operative position.

Fig. 2 is a similar view with my invention in inoperative position.

Fig. 3 is a sectional view taken. on line 33 of Fig. 1.

Fig. 4 is a sectional view taken on line 4-4: of Fig. 1, and

Fig. 5 is a sectional View taken on line 5-5 of Fig. 1.

Many, devices and divers forms of constructions of varying degrees 'of effectiveness are now in use whereby the transmitter and the receiver of a telephone are disconnected from the batteries, thereby saving the batteries, the bell being free to ring at all times.

As will hereinafter appear, I provide by my invention simple means for prolonging the hie of telephone batteries, the said means being so constructed as to permit of ready repair and. as will be obvious will not in any manner impair the telephone service.

In the drawings, the numeral 1 designates the side of the telephone box in which thebattcrles are usually"placed and to which my invention is attached, although my device may be placed in any desired position where it will perform its functions in'an effieient manner.

My device consists of the bar 2, pivoted to the box 1, by means of the screw 3, passing through the opening 4, in the bar, the bar having formed thereon the pair of switch or contact blades or tongues 5 and 6 adapted to engage the spring contact plates 7 and 8, respectively, and the handle or grasping portion 9. I

The spring contact plates 7 and 8,3have secured thereto by means of the screws 10 and 11, the wires 12 and 13, which lead to the battery and transmitter, respectively. The screws 10 and 11 also act as the fasten ing means for securing the plates 7 and 8 to the telephone box 1.

As will be readily seen by reference to Fig. 3 of the drawings, the contact blade 6 is set off from the bar 2 by means of the insulating material 14, to prevent a short circuit and has secured thereto by means of the binding nut 15, the wire 16, which leads to the battery, and by reference to Fig. 4 it will be seen that the blade 5 is integral with the bar 2.

The bar 2 is also provided with the car 17, which carries the binding nut 18 which secures the wire 19, thereto, this wire leading to the receiver as will be readily understood by those skilled in the art to which this invention appertains.

Thus it will be apparent that whenthe device is in the position shown by Fig. 1, uninterrupted service may be obtained, and that when in the position shown by Fig. 2, the bell alone-is connected with the batten ies, thereby reventing the wastage or leakage of the e ectric currents, as is the case in the ordinary phone.

I claim 1. In a switch for the purpose described, the combination with suitable base, of a bar pivoted thereonhaving a pair of contact blades, one of said blades being integral with the bar and ,the other set off therefi m by means of insulating material, an ear in tegral with said liar, spring contact plates secured to the base and adapted to contact with the blades, and terminals on said ear plate, and insulated blade for receiving suitable electrie connection, substantially as described.

'2. In a switch for the purpose described, the combination with a suitable base, of a liar pivoted thereon having a pair of oppositely disposed contact blades, one of said blades being set oil' from the bar by means of insulating" material, a terminal carried by said in ulated blade serving to secure said llllltl" on he bar and adapted to receive a suitable'electric connection, an ear integral with the bar and having a terminal thereon to receive an electric connection, a handle formed on the end of the bar opposite said insulated blade, and contact plates secured to the base and having terminals for receiving electrical connections, said plates being so arranged as to contact with said blades. substantially as described.

In testimony whereof I ailix my signature .in the presence of two witnesses.

HUGH V. JOEE. 'itnesses:

\V. D. KENDALL, E. 1). MCKINNEY. 

